# Smart.Grid vs TajTest

The clearest difference is ads: Smart.Grid at none against TajTest's shown. Smart.Grid also leads on device support (3 vs 1) and iOS requirement (9.0 vs 16.4). TajTest's advantage is update cadence (fortnightly vs every 3 months). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart.Grid ships an update every 3 months, TajTest fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Smart.Grid | TajTest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tajtest-mmt-exam-preparation/id6760701264/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 7 MB | 67 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Technische Universitaet Berlin](https://appshunter.io/developer/527216537) | [Khusravjon Ayubjonov](https://appshunter.io/developer/1885803740) |

## What reviewers say

### Smart.Grid

[App page](https://appshunter.io/ios/app/smartgrid/id1335576459)

**Features:** macOS Compatibility

**In-app purchases:** none


### TajTest

[App page](https://appshunter.io/ios/app/tajtest-mmt-exam-preparation/id6760701264)

Prepare for the NCT exam and explore educational paths in Tajikistan. Practice tests, learn English vocabulary, and get AI assistance for admission queries. Track progress and discover universities and courses.

**Highlights:** Practice tests by subject and cluster, English vocabulary trainer, Daily IQ tests, AI assistance for study questions, Progress tracking and leaderboards, University and course catalog

**In-app purchases:** none


## Frequently asked questions

### Is Smart.Grid free?

Smart.Grid is free to download, with no in-app purchases.

### Is TajTest free?

TajTest is free to download, with no in-app purchases.

### Do Smart.Grid or TajTest have ads?

TajTest shows ads; Smart.Grid does not.

### Which is updated more often, Smart.Grid or TajTest?

Smart.Grid ships an update every 3 months, and TajTest fortnightly. Most recently, Smart.Grid was updated on November 2, 2026 and TajTest on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*